How to Upload .pk Files in S3

• App Performance
• Using AWS S3 to Store Static Avails and File Uploads

Using AWS S3 to Store Static Assets and File Uploads

English — 日本語に切り替える

Terminal updated February 15, 2022

Table of Contents

• Overview
• Setting Up S3 for Your Heroku App
• Manually Uploading Static Assets
• Uploading Files From a Heroku App
• Linguistic communication-Specific Guides
• Referring to Your Assets

Amazon Simple Storage Service (S3) is a durable and available store, ideal for storing awarding content like media files, static assets, and user uploads.

Storing static files elsewhere is crucial for Heroku apps since dynos have an ephemeral filesystem. Whenever you supervene upon a dyno or when information technology restarts, which happens daily, all files that aren't part of your application's slug are lost. Use a storage solution similar S3 to offload the storage of static files from your app.

To add S3 to your app without creating an AWS account, meet the Bucketeer add-on.

Overview

All files sent to S3 become stored in a bucket. Buckets act as a top-level container, much like a directory, and its proper noun must be unique across all of S3. A single bucket typically stores the files, avails, and uploads for an application. An Access Fundamental ID and a Underground Access Key govern admission to the S3 API.

Setting Up S3 for Your Heroku App

Enabling an application to employ S3 requires that the application accept access to your AWS credentials and the name of the bucket to store files.

Configure Credentials

You can find your S3 credentials in My Security Credentials department of AWS.

Never commit your S3 credentials to version command. Set them in your config vars instead.

Utilize the heroku config:set to gear up both keys:

            $ heroku config:fix AWS_ACCESS_KEY_ID=MY-Access-ID AWS_SECRET_ACCESS_KEY=MY-Admission-Fundamental Calculation config vars and restarting app... done, v21   AWS_ACCESS_KEY_ID     => MY-Access-ID   AWS_SECRET_ACCESS_KEY => MY-Admission-Key                      

Proper noun Your Bucket

Create your S3 bucket in the same region as your Heroku app to take advantage of AWS's gratis in-region data transfer rates.

To create a bucket, access the S3 section of the AWS Management Panel and create a new bucket in the US Standard region:

Follow AWS' saucepan naming rules to ensure maximum interoperability.

Store the bucket proper noun in a config var to give your awarding admission to its value:

            $ heroku config:set S3_BUCKET_NAME=example-app-assets Calculation config vars and restarting app... done, v22   S3_BUCKET_NAME     => example-app-avails                      

Manually Uploading Static Assets

Y'all can manually add static assets such as videos, PDFs, Javascript, CSS, and image files using the command line or the Amazon S3 panel.

Uploading Files From a Heroku App

There are two approaches to processing and storing file uploads from a Heroku app to S3: straight and pass-through. Run across the language guides for specific instructions.

Direct Uploads

In a direct upload, a file uploads to your S3 bucket from a user's browser, without outset passing through your app. Although this method reduces the corporeality of processing your application needs to perform, it tin can be more than complex to implement. It as well limits the ability to change files earlier storing them in S3.

Pass-Through Uploads

In a laissez passer-through upload, a file uploads to your app, which in turn uploads it to S3. This method enables you to perform preprocessing on user uploads earlier you push them to S3. Depending on your called language and framework, this method can cause latency issues for other requests while the upload takes identify. Use groundwork workers to process uploads to gratis up your app.

It'southward recommended to use background workers for uploading files. Large files uploads in single-threaded, non-evented environments, like Runway, block your application's web dynos and tin crusade request timeouts. EventMachine, Node.js and JVM-based languages are less susceptible to such problems.

Language-Specific Guides

Here are language-specific guides to treatment uploads to S3:

Language/Framework	Tutorials
Ruby/Rails	Directly to S3 Image Uploads in Rails
Node.js	Direct to S3 File Uploads in Node.js
Python	Straight to S3 File Uploads in Python
Java	Uploading Files to S3 in Coffee with Play two
PHP	Uploading Files to S3 in PHP

Referring to Your Avails

You tin can use your assets' public URLs, such equally http://s3.amazonaws.com/bucketname/filename, in your awarding's code. S3 directly serves these files, freeing up your application to serve only dynamic requests.

For faster page loads, consider using a content delivery service, such every bit Amazon Cloudfront to serve your static assets instead.

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Source: https://devcenter.heroku.com/articles/s3

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